October weather forecastMount Sinai, NY

October

Weather in October

October, like September, in Mount Sinai, New York, is another refreshing autumn month, with an average temperature fluctuating between 55.4°F (13°C) and 62.6°F (17°C).

Temperature

During Mount Sinai's transition into October, the average high-temperature lessens, moving from an agreeable 72.3°F (22.4°C) in September to an enjoyable 62.6°F (17°C). An average nighttime temperature of 55.4°F (13°C) marks October in Mount Sinai.

Humidity

In October, the average relative humidity in Mount Sinai is 72%.

Rainfall

In October, the rain falls for 13.1 days. Throughout October, 3.27" (83mm) of precipitation is accumulated. In Mount Sinai, during the entire year, the rain falls for 146.8 days and collects up to 33.78" (858mm) of precipitation.

Snowfall

January through March, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.2" (5mm) of snow. Throughout the year, in Mount Sinai, New York, there are 12.6 snowfall days, and 5.59" (142mm) of snow is accumulated.

Ocean temperature

In Mount Sinai, New York, in October, the average water temperature is 63.7°F (17.6°C).
Note: In water with a temperature of 63.7°F (17.6°C), most individuals do not find swimming enjoyable. As the temperature falls from 69.8°F (21°C) to 59°F (15°C), breathing control becomes more difficult.

Daylight

In Mount Sinai, New York, the average length of the day in October is 11h and 6min.
On the first day of October, sunrise is at 6:49 am and sunset at 6:33 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:48 pm EDT.

Sunshine

In October, the average sunshine in Mount Sinai, New York, is 5.9h.

UV index

In October, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In October, the UV index of 4 transforms into the following advice:
Take necessary precautions - Protection from skin and eye injury is mandatory. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.

Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

An average high-temperature, in October, in Mount Sinai, is 62.6°F (17°C) and the average low-temperature is 55.4°F (13°C).

In October, the average relative humidity in Mount Sinai, New York, is 72%.

In October, the rain falls for 13.1 days. Throughout October, 3.27" (83mm) of precipitation is accumulated.

October is the first month it typically snows in Mount Sinai, New York. Throughout October, in the average 0.1 snowfall days, it receives 0.2" (5mm) of snow.

In Mount Sinai, New York, the average seawater temperature in October is 63.7°F (17.6°C). For most, swimming in 63.7°F (17.6°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

The average day length in October in Mount Sinai is 11h and 6min.

On the first day of October in Mount Sinai, sunrise is at 6:49 am and sunset at 6:33 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:48 pm EDT.

In Mount Sinai, the average sunshine duration in October is 5.9h.

In Mount Sinai, the average daily maximum UV index in October is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S October N D

Sep

October

Nov

Average high temperature

72.3°F

62.6°F

51.8°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

10.1mph

12.6mph

13.2mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

0.1

0.6

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

15.7

20.5

Average UV index

Average cloud cover

Average visibility

Average temperature in October
Mount Sinai, NY

Average high temperature in October: 62.6°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (37.6°F).

Average low temperature in October: 55.4°F

The months with the highest average low temperature are July and August (71.1°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).

Average pressure in October
Mount Sinai, NY

Average pressure in October: 30.01"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in October
Mount Sinai, NY

Average wind speed in October: 11.7mph

The windiest month (with the highest average wind speed) is January (12.9mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).

Average humidity in October
Mount Sinai, NY

Average humidity in October: 72%

The months with the highest relative humidity are May and June (77%).
The month with the lowest relative humidity is November (71%).

Average rainfall in October
Mount Sinai, NY

Average rainfall in October: 3.27"

The wettest month (with the highest rainfall) is December (3.58").
The driest month (with the least rainfall) is January (2.05").

Average rainfall days in October
Mount Sinai, NY

Average rainfall days in October: 13.1 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is January (6.8 days).

Average snowfall in October
Mount Sinai, NY

Average snowfall in October: 0.2"

The month with the highest snowfall is March (2.13").
The months with the least snowfall are April, May, June, July, August and September (0").

Average snowfall days in October
Mount Sinai, NY

Average snowfall days in October: 0.1 days

The month with the highest number of snowfall days is February (4.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average sea temperature in October
Mount Sinai, NY

Average sea temperature in October: 63.7°F

The best month for swimming (with the highest average sea temperature) is August (74°F).
The coldest month (with the lowest average sea temperature) is February (39.7°F).

Average daylight in October /
Average sunshine in October
Mount Sinai, NY

Average daylight in October: 11h and 6min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

Average sunshine in October: 5h and 54min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in October
Mount Sinai, NY

Average sunshine days in October: 17 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (13 days).

Average UV index in October
Mount Sinai, NY

Average UV index in October: 4

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in October
Mount Sinai, NY

Average cloud cover in October: 41

The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in October
Mount Sinai, NY

Average visibility in October: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).